Wide-band Operating Mode of Lithium Niobate Anisotropic Acousto-optic Deflector

PANG Zhao-guang; YU Kuan-xin; HAN Wan-qiang; ZHANG Shu-min

Journal of Beijing University of Technology > 2007 > 33(4): 433-436.

PANG Zhao-guang, YU Kuan-xin, HAN Wan-qiang, ZHANG Shu-min. Wide-band Operating Mode of Lithium Niobate Anisotropic Acousto-optic Deflector[J]. Journal of Beijing University of Technology, 2007, 33(4): 433-436.

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Wide-band Operating Mode of Lithium Niobate Anisotropic Acousto-optic Deflector

1. College of Physics, Hebei Normal University, Shijiazhuang 050016, China;
2. College of Applied Science, Beijing University of Technology, Beijing 100022, China;
3. Department of physics, College of Shijiazhuang, Shijiazhuang 050081, China

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Received Date: September 14, 2006
Available Online: January 02, 2023

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Abstract

In order to obtain wideband of Acousto-Optic (AO) deflector, curves of the abaxial angle vs ultrasonic wave frequency under different conditions are systematically studied. By solving the Dixon equation of anisotropic Acousto-Optic diffraction in LN crystal, wide-band operating mode of AO deflector is determined. The design parameters show that the band-wide of AO deflector can be efficiently widened by selecting the appropriate direction of incident light and proper abaxial angle of the ultrasonic waves.
- acousto-optical effects,
- acousto-optical deflector,
- lithium niobate,
- Dixon equation

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